| USM | Koh Samui, Thailand 
| Others |
| USM | Ultimate Stock Manifold
| Others |
| USM | Ultra Sonic Motor
| Others |
| USM | Ultra-Slow Motor
| Others |
| USM | UltraSonic Motor
| Others |
| USM | Under Hood Switching Module
| Others |
| USM | Underground Soldierz Militia
| Others |
| USM | Underground Spot Mafia
| Others |
| USM | Unified Screening Mechanism
| Others |
| USM | Unified Security Management
| Others |
| USM | Unifying Semantic Model
| Others |
| USM | United Spirits Meet
| Others |
| USM | United State of Mind
| Others |
| USM | United States Marines
| Others |
| USM | United States of Mind
| Others |
| USM | United Student Movement
| Others |
| USM | Universal Scrap Metals
| Others |
| USM | Universal Storage Module
| Others |
| USM | Universal Strategic Marketing
| Others |
| USM | Universiti Sains Malaysia
| Others |
| USM | University of Saint Mary
| Others |
| USM | University of Santa Monica
| Others |
| USM | University of Science Malaysia
| Others |
| USM | University of Southern
| Others |
| USM | University of Southern Maine
| Others |
| USM | University of Southern Mississippi
| Others |
| USM | University School of Milwaukee
| Others |
| USM | University Science Malaysia
| Others |
| USM | University System of Maryland
| Others |
| USM | Unlisted Securities Market
| Others |
| USM | UnSharp Masking
| Others |
| USM | Unsprung Mass
| Others |
| USM | Unstoppable Sex Machine
| Others |
| USM | Upstate Minis
| Others |
| USM | Usb Memory Stick
| Others |
| USM | Useful Social Media
| Others |
| USM | User Session Management
| Others |
| USM | User Setting Mode
| Others |
| USM | User-based Security Model
| Others |